Vacuum bottle



FIG. 1 is a perspective view of a vacuum bottle showing my new design, the vacuum bottle being symmetrical about a longitudinal center line;

FIG. 2 is a side elevational view thereof, the other sides being mirror images thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a vacuum bottle, as shown and described. 